AT390860B - Chrominanzsignal-verarbeitungskreis - Google Patents

Chrominanzsignal-verarbeitungskreis Download PDF

Info

Publication number
AT390860B
AT390860B AT0121082A AT121082A AT390860B AT 390860 B AT390860 B AT 390860B AT 0121082 A AT0121082 A AT 0121082A AT 121082 A AT121082 A AT 121082A AT 390860 B AT390860 B AT 390860B
Authority
AT
Austria
Prior art keywords
signal
circuit
color
output
brightness
Prior art date
Application number
AT0121082A
Other languages
German (de)
English (en)
Other versions
ATA121082A (de
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of ATA121082A publication Critical patent/ATA121082A/de
Application granted granted Critical
Publication of AT390860B publication Critical patent/AT390860B/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
AT0121082A 1981-03-30 1982-03-29 Chrominanzsignal-verarbeitungskreis AT390860B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56046749A JPS57160288A (en) 1981-03-30 1981-03-30 Processing circuit for chrominance signal

Publications (2)

Publication Number Publication Date
ATA121082A ATA121082A (de) 1989-12-15
AT390860B true AT390860B (de) 1990-07-10

Family

ID=12755973

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0121082A AT390860B (de) 1981-03-30 1982-03-29 Chrominanzsignal-verarbeitungskreis

Country Status (9)

Country Link
US (1) US4513311A (fr)
JP (1) JPS57160288A (fr)
AT (1) AT390860B (fr)
AU (1) AU549933B2 (fr)
CA (1) CA1174355A (fr)
DE (1) DE3211742A1 (fr)
FR (1) FR2502879B1 (fr)
GB (1) GB2112246B (fr)
NL (1) NL192179C (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997294A (ja) * 1982-11-27 1984-06-05 Toshiba Corp 映像信号記録再生装置
US4620220A (en) * 1983-06-28 1986-10-28 Rca Corporation Wideband chrominance signal filter
JPS6051388A (ja) * 1983-08-31 1985-03-22 Sony Corp 記録再生装置の二次ビートキャンセル回路
JPS6069997A (ja) * 1983-09-26 1985-04-20 Sony Corp ノイズ軽減回路
JPS60121885A (ja) * 1983-12-05 1985-06-29 Victor Co Of Japan Ltd 映像信号の雑音低減回路
US4682251A (en) * 1984-03-21 1987-07-21 Victor Company Of Japan, Ltd. Video signal reproducing apparatus having a noise reduction circuit
US4636842A (en) * 1984-11-29 1987-01-13 Rca Corporation Comb filter "hanging dot" eliminator
CA1243398A (fr) * 1985-01-14 1988-10-18 Nec Corporation Dispositif separateur de luminance/chrominance
KR890004853B1 (ko) * 1985-01-28 1989-11-29 미쓰비시전기 주식회사 영상신호 처리회로
US4616254A (en) * 1985-04-18 1986-10-07 Rca Corporation Hanging dot reduction system
JPS6218881A (ja) * 1985-07-18 1987-01-27 Fuji Photo Film Co Ltd フイ−ルド／フレ−ム変換方式
KR900009063B1 (ko) * 1985-09-09 1990-12-17 니뽕 빅터 가부시끼가이샤 반송 색 신호 처리 회로
JPH06105983B2 (ja) * 1985-09-19 1994-12-21 ソニー株式会社 映像信号再生装置
KR910001472B1 (ko) * 1985-10-09 1991-03-07 마쯔시다덴기산교 가부시기가이샤 컬러텔레비젼 신호의 기록재생장치
JPS62135079A (ja) * 1985-12-06 1987-06-18 Matsushita Electric Ind Co Ltd 輝度信号処理回路
JPH0720263B2 (ja) * 1986-01-17 1995-03-06 ソニー株式会社 搬送色信号処理回路
JPH07123307B2 (ja) * 1986-05-20 1995-12-25 ソニー株式会社 Ｙ／ｃ分離回路
KR900002608B1 (ko) * 1986-05-22 1990-04-20 주식회사 금성사 브이티알의 자동트래킹장치
JP2570717B2 (ja) * 1987-02-03 1997-01-16 ソニー株式会社 くし形フイルタ
JPS63292796A (ja) * 1987-05-25 1988-11-30 Victor Co Of Japan Ltd 再生搬送色信号処理回路
JPH0198385A (ja) * 1987-10-09 1989-04-17 Sony Corp 相関検出方式
JPH0258410A (ja) * 1988-08-24 1990-02-27 Hitachi Ltd 信号処理方法とその装置
DE3939520A1 (de) * 1989-11-30 1991-06-06 Nokia Unterhaltungselektronik Schaltung zum rueckgewinnen des chroma-signales
US5430497A (en) * 1990-08-06 1995-07-04 Samsung Electronics Co., Ltd. Removal of the folding carrier and sidebands from an unfolded video signal
KR930008182B1 (ko) * 1990-11-27 1993-08-26 삼성전자 주식회사 동신호 검출회로
JPWO2007125569A1 (ja) * 2006-03-31 2009-09-10 パナソニック株式会社 スピーカ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2263678B2 (de) * 1971-12-27 1976-04-29 Hitachi, Ltd., Tokio Schaltung zur auftrennung des ntsc-farbfernsehsignals
GB1576551A (en) * 1976-04-19 1980-10-08 Rca Corp Comb filter apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal
JPS55150687A (en) * 1979-05-15 1980-11-22 Sony Corp Separating circuit of color video signal
JPS5660186A (en) * 1979-10-19 1981-05-23 Sony Corp Chrominance signal processing circuit
JPS6119198A (ja) * 1984-07-05 1986-01-28 凸版印刷株式会社 電磁波遮蔽性を有するプラスチツクハウジング及びその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2263678B2 (de) * 1971-12-27 1976-04-29 Hitachi, Ltd., Tokio Schaltung zur auftrennung des ntsc-farbfernsehsignals
GB1576551A (en) * 1976-04-19 1980-10-08 Rca Corp Comb filter apparatus

Also Published As

Publication number Publication date
CA1174355A (fr) 1984-09-11
DE3211742C2 (fr) 1991-04-11
JPH0253997B2 (fr) 1990-11-20
NL192179B (nl) 1996-10-01
FR2502879B1 (fr) 1987-05-22
JPS57160288A (en) 1982-10-02
AU8185082A (en) 1982-10-07
FR2502879A1 (fr) 1982-10-01
NL8201333A (nl) 1982-10-18
GB2112246A (en) 1983-07-13
ATA121082A (de) 1989-12-15
DE3211742A1 (de) 1982-11-04
GB2112246B (en) 1985-05-09
AU549933B2 (en) 1986-02-20
US4513311A (en) 1985-04-23
NL192179C (nl) 1997-02-04

Similar Documents

Publication Publication Date Title
AT390860B (de) Chrominanzsignal-verarbeitungskreis
DE3715825C2 (fr)
DE2750173C2 (de) Anordnung zum Vermindern des Rauschens in Fernsehsignalen
DE2211798C3 (de) Störbegrenzerschaltung für Videosignale
DE2316540C3 (de) Schaltung zur Änderung des dynamischen Bereichs eines Signals, insbesondere zur Störverminderung
DE2529967C3 (de) Schaltungsanordnung zur Verbesserung der Detailwiedergabeschärfe von Videosignalen
DE2263678A1 (de) Videosignal-aufbereitungsvorrichtung fuer farbfernsehempfaenger
DE2717253C3 (de) Schaltungsanordnung zur Verarbeitung eines Farbbildsignalgemisches
DE2342884A1 (de) Verfahren und vorrichtung zum wiedergewinnen eines zusammengesetzten farbvideosignals
DE2207536A1 (de) Kontrastkompressionsschaltung für ein Farbfernsehsystem
DE1908247A1 (de) Schaltungsanordnung zur Verringerung von Stoerungen hoeherer Frequenz (Rauschen) in breitbandigen elektrischen Signalen,insbesondere Fernsehsignalen
DE3223846C2 (de) Signalwiedergabeschaltung für Bildbandgeräte
DE3404100C2 (de) Rauschreduzieranordnung für ein Videosignal
DE3017930A1 (de) Videosignalschaltung zur vertikalaufloesungsbeeinflussung
DE3513210C2 (de) Anordnung zur gestückelt-linearen Verarbeitung digitaler Videosignale
DE2446969C3 (fr)
DE3343262C2 (fr)
DE3309094C2 (de) Schaltungsanordnung zur Unterdrückung von Rauschsignalen
DE2462850B1 (de) Farbcoder fuer ein zeilensequentielles Farbfernsehsignal
DE3325374C2 (de) Schaltungsanordnung zur Verbesserung des Rauschabstands bei einem Farbvideosignal
EP0105072B1 (fr) Circuit intégré d'un filtre numérique pour la voie de chrominance d'un appareil de télévision en couleur
DE3602503C2 (fr)
DE2438674A1 (de) Schaltung zur lieferung eines luminanzund chrominanzsignals aus einem fbas-fernsehsignal
DE3443067C2 (fr)
EP0019735B1 (fr) Procédé et circuit pour la correction de contraste de signaux de télévision en couleur

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee
ELA Expired due to lapse of time